Isopropylbenzene
Dewey Beach Water Department
NOTE: Dewey Beach Water Department purchases water from Rehoboth Beach Water Department which is required to test for isopropylbenzene. Sample information shown below was taken by Rehoboth Beach Water Department.
Isopropylbenzene, also called cumene, is an intermediate in industrial chemical production, and is also used as a thinner for paints and enamels. The National Toxicology Program classifies isopropylbenzene as a "reasonably anticipated" human carcinogen.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Dewey Beach Water Department purchases water from Rehoboth Beach Water Department which is required to test for isopropylbenzene. Sample information shown below was taken by Rehoboth Beach Water Department.
| Date | Lab ID | Result |
|---|---|---|
| 2015-11-17 | S637349 | ND |
| 2016-08-30 | S694033 | ND |
| 2016-12-21 | S694897 | ND |
| 2017-08-22 | S738553 | ND |
| 2018-11-29 | S850881 | ND |
| 2018-11-29 | S850883 | ND |
| 2018-11-29 | S850885 | ND |
| 2018-12-14 | S853797 | ND |
| 2019-07-09 | S895563 | ND |
| 2019-09-23 | S909181 | ND |